package org.apache.maven.toolchain;

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *  http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

import java.util.ArrayList;
import java.util.List;
import java.util.Map;

import org.apache.maven.execution.MavenSession;
import org.apache.maven.toolchain.model.PersistedToolchains;
import org.apache.maven.toolchain.model.ToolchainModel;
import org.codehaus.plexus.component.annotations.Component;
import org.codehaus.plexus.component.annotations.Requirement;

/**
 * @author mkleint
 */
@Component(role = ToolchainManagerPrivate.class)
public class DefaultToolchainManagerPrivate extends DefaultToolchainManager implements ToolchainManagerPrivate {

  @Requirement
  private ToolchainsBuilder toolchainsBuilder;

  public ToolchainPrivate[] getToolchainsForType(String type, MavenSession context)
      throws MisconfiguredToolchainException {
    PersistedToolchains pers = toolchainsBuilder.build(context.getRequest().getUserToolchainsFile());

    List<ToolchainPrivate> toRet = new ArrayList<ToolchainPrivate>();

    if (pers != null) {
      List<ToolchainModel> lst = pers.getToolchains();
      if (lst != null) {
        for (ToolchainModel toolchainModel : lst) {
          ToolchainFactory fact = factories.get(toolchainModel.getType());
          if (fact != null) {
            toRet.add(fact.createToolchain(toolchainModel));
          } else {
            logger.error("Missing toolchain factory for type: " + toolchainModel.getType()
                + ". Possibly caused by misconfigured project.");
          }
        }
      }
    }

    for (ToolchainFactory toolchainFactory : factories.values()) {
      ToolchainPrivate tool = toolchainFactory.createDefaultToolchain();
      if (tool != null) {
        toRet.add(tool);
      }
    }

    return toRet.toArray(new ToolchainPrivate[toRet.size()]);
  }

  public void storeToolchainToBuildContext(ToolchainPrivate toolchain, MavenSession session) {
    Map<String, Object> context = retrieveContext(session);
    context.put(getStorageKey(toolchain.getType()), toolchain.getModel());
  }

}
